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Date: Sat, 14 Feb 2015 07:47:39 -0500 (EST)
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From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: pod2mdoc: Detect function names not only before blanks, but also at the 
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Log Message:
-----------
Detect function names not only before blanks, but also at the end 
of input lines, and let the detection of function names and the 
detection of the end of sentences cope with trailing punctuation.

Modified Files:
--------------
    pod2mdoc:
        pod2mdoc.c

Revision Data
-------------
Index: pod2mdoc.c
===================================================================
RCS file: /home/cvs/mdocml/pod2mdoc/pod2mdoc.c,v
retrieving revision 1.43
retrieving revision 1.44
diff -Lpod2mdoc.c -Lpod2mdoc.c -u -p -r1.43 -r1.44
--- pod2mdoc.c
+++ pod2mdoc.c
@@ -1328,9 +1328,9 @@ donamenm(struct state *st, const char *b
 static void
 ordinary(struct state *st, const char *buf, size_t start, size_t end)
 {
-	size_t		i, j, opstack;
+	size_t		i, j, opstack, wend;
 	enum mdoc_type	mtype;
-	int		seq;
+	int		eos, noeos, seq;
 
 	if ( ! st->parsing || st->paused)
 		return;
@@ -1399,22 +1399,46 @@ ordinary(struct state *st, const char *b
 			/* Merely buffer non-whitespace. */
 
 			last = buf[start++];
-			if ( ! isspace(last)) {
+			if ( ! isspace(last))
 				outbuf_addchar(st);
+			if (start < end &&
+			    ! isspace((unsigned char)buf[start]))
 				continue;
-			}
 
-			/* Detect function names. */
+			/*
+			 * Found the end of a word.
+			 * Rewind trailing delimiters.
+			 */
+
+			eos = noeos = 0;
+			for (wend = st->outbuflen; wend; wend--)
+				if ('.' == st->outbuf[wend - 1] ||
+				    '!' == st->outbuf[wend - 1] ||
+				    '?' == st->outbuf[wend - 1])
+					eos = 1;
+				else if ('|' == st->outbuf[wend - 1] ||
+				    ',' == st->outbuf[wend - 1] ||
+				    ';' == st->outbuf[wend - 1] ||
+				    ':' == st->outbuf[wend - 1])
+					noeos = 1;
+				else if ('\'' != st->outbuf[wend - 1] &&
+				    '"' != st->outbuf[wend - 1] &&
+				    ')' != st->outbuf[wend - 1] &&
+				    ']' != st->outbuf[wend - 1])
+					break;
+			eos &= ! noeos;
+
+			/*
+			 * Detect function names.
+			 */
 
 			mtype = MDOC_Fa;
-			if (st->outbuflen > 2 &&
-			    ')' == st->outbuf[st->outbuflen - 1] &&
-			    '(' == st->outbuf[st->outbuflen - 2]) {
-				mtype = dict_get(st->outbuf,
-				    st->outbuflen - 2);
+			if (wend && ')' == st->outbuf[wend] &&
+			    '(' == st->outbuf[wend - 1]) {
+				mtype = dict_get(st->outbuf, --wend);
 				if (MDOC_Fo == mtype || MDOC_MAX == mtype) {
-					st->outbuflen -= 2;
-					st->outbuf[st->outbuflen] = '\0';
+					st->outbuflen = wend;
+					st->outbuf[wend] = '\0';
 					mdoc_newln(st);
 					if (MDOC_Fo == mtype)
 						fputs(".Fn ", stdout);
@@ -1436,20 +1460,23 @@ ordinary(struct state *st, const char *b
 			 * end text lines at the end of sentences.
 			 */
 
-			if (OUST_MAC == st->oust || (start > 3 &&
-			    ('.' == buf[start - 2] ||
-			     '!' == buf[start - 2] ||
-			     '?' == buf[start - 2]) &&
-			    islower((unsigned char)buf[start - 3]) &&
-			    islower((unsigned char)buf[start - 4]))) {
+			if (OUST_MAC == st->oust || (eos && wend > 1 &&
+			    islower((unsigned char)st->outbuf[wend - 1]))) {
 				if (MDOC_MAX == mtype)
 					fputs(" 3", stdout);
+				if (MDOC_Fa != mtype)
+					for (wend += 2;
+					     '\0' != st->outbuf[wend];
+					     wend++)
+						printf(" %c",
+						    st->outbuf[wend]);
 				mdoc_newln(st);
 			}
 
 			/* Advance to the next word. */
 
-			while (isspace((unsigned char)buf[start]))
+			while ('\n' != buf[start] &&
+			       isspace((unsigned char)buf[start]))
 				start++;
 			st->wantws = 1;
 		}
--
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